83399049 has 12 divisors (see below), whose sum is σ = 120732612. Its totient is φ = 55476000.

The previous prime is 83399047. The next prime is 83399077. The reversal of 83399049 is 94099338.

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 56025225 = 5232^2 + 7485^2 .

It is not a de Polignac number, because 83399049 - 2¹ = 83399047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83398995 and 83399013.

It is not an unprimeable number, because it can be changed into a prime (83399047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5902 + ... + 14199.

It is an arithmetic number, because the mean of its divisors is an integer number (10061051).

Almost surely, 2^83399049 is an apocalyptic number.

It is an amenable number.

83399049 is a deficient number, since it is larger than the sum of its proper divisors (37333563).

83399049 is a wasteful number, since it uses less digits than its factorization.

83399049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568 (or 20565 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 83399049 is about 9132.3079777239. The cubic root of 83399049 is about 436.9050180458.

The spelling of 83399049 in words is "eighty-three million, three hundred ninety-nine thousand, forty-nine".